نتایج جستجو برای: thermal factors

تعداد نتایج: 1286940  

Journal: :Journal of Architecture, Planning and Environmental Engineering (Transactions of AIJ) 1988

Journal: :Journal of Research of the National Bureau of Standards 1954

Journal: :Journal of the Japanese Institute of Landscape Architects 1987

2016
Takuya Uemura Akiko Kita Yukio Morimoto

Structural analysis of deuterated proteins, which are essential for neutron protein crystallography, involves refinement of X-ray crystallographic data using atomic or molecular thermal stability factors. Analysis of high resolution (~0.9 Å) X-ray data can localize some of the hydrogen atoms in a protein molecule. Thermal stabilities and temperature factors are affected by some reasons; one of ...

2013
Renga Rao Krishnamoorthy

The prime aim of this study was to investigate the thermal conductivity of concrete using crushed recycled glass as a fine aggregate. Influencing factors on thermal conductivity of concrete are investigated using The Unitherm Model 6000 Guarded Hot Plate Thermal Conductivity Instrument. A total of 36 concrete mixes were produced with different water cement ratios (0.4 and 0.5). Recycled glass w...

پایان نامه :0 1370

all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...

2006
Yasuo Osone

We investigated the thermal performance of a power semiconductor module used in mobile communication systems. The module contained hetero-junction bipolar transistor (HBT) fingers, which were fabricated on the top of a semiconductor substrate. We calculated the thermal resistance between the HBT fingers and the bottom surface of a multi-layer printed circuit board (PCB) using a finite element m...

Journal: :علوم و تکنولوژی پلیمر 0
احمدرضا قاسمی رسول باقرصاد محمدرضا وزیری سرشک

the residual stresses in composite laminates depend on several factors including the conditions of fabricating process, property of materials, direction and lay-ups of the layers. however the thermo-elastic behavior of composite is one of the most important parameters affecting the magnitude of residual stresses. the elastic properties and residual stresses do not remain constant under cyclic t...

Thermal mass is the material's ability to store heat and release it after an amount of time and concrete is considered one of the best thermal mass material. Since concrete has been used widely in many building constructions, by considering the capability of concrete in terms of thermal mass, it is worthwhile to use this ability of concrete in order to build buildings more healthy and comfortab...

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